Help my video does not last long on windows movie maker look down for more info plz?

hey guys when i put up a video clip on windows movie maker

its comes out toooo short how do i make it last longer?!! plzz help i just wanna make videos on youtube that to mutch to ask plzz help

Help my video does not last long on windows movie maker look down for more info plz?windows xp pro

it depends on how long you record. If you record for 15seconds you only get 15. If that isnt the case you could slow down with video effects, but that will slow everything too.